Home / 90,113.03-124,350.96-49,824.37

Finding the Fourth Proportional to 90,113.03, 124,350.96 and 49,824.37

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Solution

The fourth proportional to 90,113.03, 124,350.96 and 49,824.37 is: 68,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,113.03 : 124,350.96 = 49,824.37 : x
  2. Step 2: Convert to fraction form
    90,113.03/124,350.96 = 49,824.37/x
  3. Step 3: Cross multiply
    90,113.03x = 124,350.96 × 49,824.37
  4. Step 4: Simplify right side
    90,113.03x = 6,195,708,240.90
  5. Step 5: Solve for x
    x = 6,195,708,240.90/90,113.03
  6. Step 6: Final answer
    x = 68,754.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.